package com.itheima.reggie.common;

//import com.baomidou.mybatisplus.extension.api.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

//全局异常处理器
@Slf4j
@ResponseBody
@ControllerAdvice(annotations = {RestController.class, Controller.class})
public class GlobalExceptionHandler {
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public Result<String> exceptionHandle(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if(ex.getMessage().contains("Duplicate entry")){
            String msg=ex.getMessage().split(" ")[2]+"已存在";
            return Result.error(msg);
        }
        return Result.error("未知错误");
    }

//    在全局异常处理器定义，可以把异常信息返回到页面上
    @ExceptionHandler(CustomException.class)
    public Result<String> exceptionHandle(CustomException ex){
        log.error(ex.getMessage());
        return Result.error(ex.getMessage());
    }
}
